Cod sursa(job #3192757)

Utilizator lucatanasegLuca-Tanase Grindean lucatanaseg Data 13 ianuarie 2024 10:58:07
Problema Bool Scor 70
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.77 kb
#include <bits/stdc++.h>

using namespace std;
ifstream fin("bool.in");
ofstream fout("bool.out");

map <char,bool> bm;
char p[100005];
string s;
int pos;
int n;

bool OR();
bool AND();
bool EXP();

void create()
{
    for(int i=0; p[i];i++)
    {
        if(p[i]>64 && p[i]<91 && p[i+1]==' ')
            s.push_back(p[i]);
        if(p[i]=='T' && p[i+1]=='R')
        {
            s.push_back('1');
            i+=4;
        }
        if(p[i]=='F' && p[i+1]=='A')
        {
            s.push_back('0');
            i+=5;
        }
        if(p[i]=='N' && p[i+1]=='O')
        {
            s.push_back('!');
            i+=3;
        }
        if(p[i]=='A' && p[i+1]=='N')
        {
            s.push_back('&');
            i+=3;
        }
        if(p[i]=='O' && p[i+1]=='R')
        {
            s.push_back('|');
            i+=2;
        }
        if(p[i]=='(' || p[i]==')')
            s.push_back(p[i]);
    }
}

bool OR(){
    bool res = AND();
    while (s[pos] == '|') {
        pos++;
        res = res || AND();
    }
    return res;
}

bool AND(){
    bool res = EXP();
    while (s[pos] == '&') {
        pos++;
        res = res && EXP();
    }
    return res;
}

bool EXP(){
    bool res;
    if (s[pos] == '(') {
        pos++;
        res = OR();
        pos++;
    }
    else if(s[pos] == '!'){
        pos++;
        res = !EXP();
    }
    else if(s[pos] == '1') res = 1;
    else if(s[pos] == '0') res = 0;
    else{
        res = bm[s[pos]];
    }
    return res;
}

int main()
{
    fin.getline(p,100005);
    fin>>n;
    create();
    for(int i=1;i<=n;i++){
        pos = 0;
        char X;
        fin>>X;
        bm[X] = !bm[X];
        fout<<OR();
    }

    return 0;
}